Home / 27,758.43-38,306.66-15,183.18

Finding the Fourth Proportional to 27,758.43, 38,306.66 and 15,183.18

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Solution

The fourth proportional to 27,758.43, 38,306.66 and 15,183.18 is: 20,952.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758.43 : 38,306.66 = 15,183.18 : x
  2. Step 2: Convert to fraction form
    27,758.43/38,306.66 = 15,183.18/x
  3. Step 3: Cross multiply
    27,758.43x = 38,306.66 × 15,183.18
  4. Step 4: Simplify right side
    27,758.43x = 581,616,838.06
  5. Step 5: Solve for x
    x = 581,616,838.06/27,758.43
  6. Step 6: Final answer
    x = 20,952.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.